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Keflavik Intl

$369+ Cheap flights from Reagan-National (DCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — KEF
Mar 12 — Mar 191
Thu 3/12
Thu 3/19
1 adult, Economy
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Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 10, 2026.

This KAYAK deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:00 pm
DCA
-
KEF
1 stop12h 30m
Multiple Airlines
Tue 4/2111:25 am
KEF
-
DCA
1 stop10h 05m
Multiple Airlines
Deal found 2/8$538
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:09 pm
DCA
-
KEF
1 stop12h 21m
Delta
Sun 4/2611:25 am
KEF
-
DCA
1 stop10h 05m
Delta
Deal found 2/9$539
This FlightHub deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:55 pm
DCA
-
KEF
2 stops39h 00m
Air Canada
Mon 8/249:15 am
KEF
-
DCA
1 stop16h 33m
Air Canada
Deal found 2/8$547
This Gurufare deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:00 pm
DCA
-
KEF
1 stop12h 30m
Multiple Airlines
Sun 5/108:50 am
KEF
-
DCA
1 stop14h 09m
Multiple Airlines
Deal found 2/6$553
This KLM deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:00 am
DCA
-
KEF
1 stop18h 30m
KLM
Tue 5/511:25 am
KEF
-
DCA
1 stop15h 16m
KLM
Deal found 2/8$554
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:23 am
DCA
-
KEF
2 stops23h 27m
American Airlines
Tue 3/1011:50 am
KEF
-
DCA
2 stops26h 09m
American Airlines
Deal found 2/9$555
This KAYAK deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:00 pm
DCA
-
KEF
1 stop12h 30m
Scandinavian Airlines
Mon 5/118:50 am
KEF
-
DCA
2 stops14h 09m
Scandinavian Airlines
Deal found 2/6$558
This American Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
DCA
-
KEF
2 stops23h 25m
American Airlines
Wed 4/2211:00 am
KEF
-
DCA
2 stops16h 59m
American Airlines
Deal found 2/8$560
This American Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
DCA
-
KEF
2 stops23h 40m
American Airlines
Mon 4/2710:40 am
KEF
-
DCA
2 stops17h 19m
American Airlines
Deal found 2/6$561
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:10 am
DCA
-
KEF
2 stops23h 45m
American Airlines
Wed 11/1811:50 am
KEF
-
DCA
2 stops27h 18m
American Airlines
Deal found 2/9$562

Find flight deals from Reagan-National to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$538
(Gurufare)

One-way from

$369
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$446
Provider with most accurate pricing for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Reagan-National

Fly to

Keflavik Intl

Route

Depart

Return

Price

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sun 4/12

5:09 pm-9:30 am

1 stop12h 21m

Reykjavik Keflavik Intl

Sun 4/26

11:25 am-10:41 pm

1 stop15h 16m

$539

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 5/2

4:00 pm-9:30 am

2 stops13h 30m

Reykjavik Keflavik Intl

Sun 5/10

11:25 am-4:59 pm

1 stop9h 34m

$559

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sun 5/3

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

Sun 5/10

8:50 am-6:45 pm

2 stops13h 55m

$559

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 5/4

5:30 pm-9:30 am

2 stops12h 00m

Reykjavik Keflavik Intl

Sun 5/10

8:50 am-6:45 pm

2 stops13h 55m

$559

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 5/2

5:00 pm-9:30 am

2 stops12h 30m

Reykjavik Keflavik Intl

Sun 5/10

8:50 am-6:45 pm

2 stops13h 55m

$559

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 5/6

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

Sat 5/16

9:30 am-6:02 pm

1 stop12h 32m

$584

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 5/9

5:00 pm-9:30 am

1 stop12h 30m

Reykjavik Keflavik Intl

Mon 5/18

8:50 am-6:59 pm

1 stop14h 09m

$584

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sun 5/10

12:01 pm-7:40 am

1 stop15h 39m

Reykjavik Keflavik Intl

Mon 5/18

11:25 am-4:59 pm

1 stop9h 34m

$584

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 5/8

3:00 pm-7:40 am

1 stop12h 40m

Reykjavik Keflavik Intl

Tue 5/19

8:50 am-6:59 pm

1 stop14h 09m

$584

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 3/11

11:00 am-11:20 pm

2 stops32h 20m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 20 results
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Compare providers for flights from Reagan-National to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Keflavik Intl in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

    Airlines like Delta fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in about 12h 21m. The time it takes to get you to your destination can typically vary by up to . Washington, D.C. Reagan-National Airport and Reykjavik Keflavik Intl Airport are separated by a distance of 2784 mi.

  • Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.

  • Can I find deals for business class flights from Reagan-National to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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